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AUSCERT External Security Bulletin Redistribution
ESB-2015.0027
Security Bulletin: TLS padding vulnerability affects IBM
Security Network Protection (CVE-2014-8730)
6 January 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Security Network Protection
Publisher: IBM
Operating System: Network Appliance
Impact/Access: Access Privileged Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2014-8730
Reference: ESB-2015.0016
ESB-2015.0012
ESB-2014.2520
ESB-2014.2404
ESB-2014.2375
ESB-2014.2325
Original Bulletin:
www-01.ibm.com/support/docview.wss?uid=swg21693657
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Security Bulletin: TLS padding vulnerability affects IBM Security Network
Protection (CVE-2014-8730)
Document information
More support for:
IBM Security Network Protection
Software version:
5.1, 5.1.1, 5.1.2, 5.1.2.1, 5.2.0, 5.3
Operating system(s):
Firmware
Reference #:
1693657
Modified date:
2015-01-05
Security Bulletin
Summary
Transport Layer Security (TLS) padding vulnerability via a POODLE (Padding
Oracle On Downgraded Legacy Encryption) like attack affects IBM Security
Network Protection.
Vulnerability Details
CVE-ID: CVE-2014-8730
DESCRIPTION: Product could allow a remote attacker to obtain sensitive
information, caused by the failure to check the contents of the padding bytes
when using CBC cipher suites of some TLS implementations. A remote user
with the ability to conduct a man-in-the-middle attack could exploit this
vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption)
like attack to decrypt sensitive information and calculate the plaintext
of secure connections.
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99216 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Affected Products and Versions
Products: IBM Security Network Protection (XGS) models 3100, 4100, 5100, 7100
Versions: 5.1, 5.1.1, 5.1.2, 5.2, 5.3
Remediation/Fixes
IBM has provided fixes for all supported versions. Follow the installation
instructions in the README files included with the fix. You should verify
applying this fix does not cause any compatibility issues.
5.2.0.0-ISS-XGS-All-Models-Hotfix-FP0006 for IBM Security Network Protection
products at version 5.2
Firmware Update 5.3.0.3 for IBM Security Network Protection products at
version 5.3
For the 5.1.x versions of Network Protection, IBM recommends upgrading to
a fixed, supported version/release/platform of the product.
Workarounds and Mitigations
None
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alerts like this.
References
Complete CVSS Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact
of this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency
and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT
WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING
THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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